11th International Workshop on the Mechanisms of Vacuum Arcs (MeVArc 2024)

from Sunday, March 3, 2024 (3:00 PM) to Thursday, March 7, 2024 (10:00 PM)


        : Sessions
    /     : Talks
        : Breaks
Mar 3, 2024
Mar 4, 2024
Mar 5, 2024
Mar 6, 2024
Mar 7, 2024
AM
8:00 AM
Modeling and Simulations (until 10:00 AM) ()
8:00 AM Theory of field emission through dielectric pores in the metal surface layer - Serhii Lebedynskyi (Institute of Applied Physics, National Academy of Sciences of Ukraine)   ()
8:30 AM PIC-Simulations of an Intense Electron Beam Plasma using EMPIRE - Nancy Isner   ()
9:00 AM Unintended gas breakdowns in narrow gaps of advanced plasma sources for semiconductor fabrication industry - Dr Willca Villafana (Princeton Plasma Physics Laboratory)   ()
9:30 AM Modified Theory and Fluid Modeling for DC Breakdown - Adnan Mansour (Stanford University)   ()
10:00 AM --- Discussion Break ---
10:30 AM
Experiments and Diagnostics (until 12:00 PM) ()
10:30 AM The influence of arcing on radio-frequency capacitively coupled plasma - chul hee cho (Chungnam national university)   ()
11:00 AM Emission Characteristics of a Broad-Area Molybdenum Cathode under an Inhomogeneous Electric Field - Moein Borghei (Avalanche Energy)   ()
11:30 AM A 500 kV SF6 insulated feedthrough for inverted insulator photoguns - Gabriel Palacios Serrano (Thomas Jefferson National Accelerator Facility)   ()
8:00 AM
Experiments and Diagnostics (until 10:00 AM) ()
8:00 AM Analysis of the micro-scale dynamics of X-Ray emission profiles collected with a GEM detector in needle-plane experiments at HVPTF - Federico Caruggi (Universita & INFN, Milano-Bicocca (IT))   ()
8:30 AM X-ray Micro-Discharges Fine Dynamics in a Vacuum High Voltage Experiment - Silvia Spagnolo (Consorzio RFX)   ()
9:00 AM Aspect of High Field Testing - Victoria Madeleine Bjelland   ()
9:30 AM Study of different materials exposed to low energy H- irradiation and its effects on high voltage breakdown resistance - Catarina Serafim (CERN)   ()
10:00 AM --- Discussion Break ---
10:30 AM
Field Emission (until 12:00 PM) ()
10:30 AM Field emission assisted heating of Cs2Te photocathode: Implication toward RF breakdown - Ryo Shinohara   ()
11:00 AM Deducing the size of breakdown inducing tips from their beam spot shape - Salva Barranco Cárceles (University of Edinburgh)   ()
11:30 AM General Thermal-Field Emission and Space-Charge Limits for Particle-In-Cell and Nexus Theory - Adam Darr   ()
8:00 AM
Modeling and Simulations (until 9:30 AM) ()
8:00 AM Mechanisms of bubble growth and blistering on metals exposed to hydrogen - Alvaro Lopez Cazalilla   ()
8:30 AM Decoupled discretization of plasma-material interfaces in multiphysics PIC simulations - Zakari Eckert (Sandia National Laboratories)   ()
9:00 AM 3D PIC-DSMC Simulation of Strongly Coupled Cathode Spot Plasma Dynamics During Vacuum Arc Initiation: A Cautionary Tale - Chris Moore   ()
9:30 AM
Closing Statements (until 10:00 AM) ()
10:00 AM --- Discussion Break ---
PM
5:00 PM
Organizer meeting (until 6:00 PM) ()
6:00 PM
Reception (until 9:00 PM) ()
12:00 PM
Lunch (until 1:00 PM) ()
1:00 PM
Opening remarks (until 1:15 PM) ()
1:15 PM
Applications (until 3:15 PM) ()
1:15 PM Power flow and vacuum breakdown in variable-impedance transmission lines under high self-magnetic fields - David Sirajuddin (Sandia National Laboratories)   ()
1:45 PM High gradient RF challenges in the muon collider - Alexej Grudiev (CERN)   ()
2:15 PM Searching for Rare Events in the Field Emitted Current of High-Field RF Cavities - Mr Lee Millar (CERN)   ()
2:45 PM Effect of desorbed gases in the onset of HVDC breakdown between stainless steel electrodes insulated by high vacuum - Nicola Pilan   ()
3:15 PM
Poster Session (until 5:15 PM) ()
3:15 PM A Method for Uncertainty Quantification of Electron Scattering Cross Sections in Plasma Physics Simulations - Ian Rittersdorf   ()
3:15 PM Atomic and electronic structure of pure liquid copper by density functional theory and molecular dynamics simulation - Susumu Kato   ()
3:35 PM Morphology Changes due to Ohmic Heating of Surfaces - Matthew Hopkins   ()
3:35 PM R&D of X-band deflecting structure applied on SHINE - Jianhao Tan   ()
3:55 PM On effect of surface carbon diffusion on growth of field emitting tips under high electric fields - Marzhan Toktaganova   ()
3:55 PM PIC Simulations of the Anode Sheath in Low-Pressure DC Discharges - Grant Gorman (Sandia National Laboratories)   ()
4:15 PM Dependence of vacuum arc initiation dynamics on the application of a static magnetic field - Roni Koitermaa (University of Helsinki)   ()
4:15 PM Relativistic 1D PIC-MCC modeling and simulation of impedance collapse in high-voltage diodes - Vedanth Sharma (Stanford University)   ()
4:35 PM Gas conditioning of DC high voltage photoguns using krypton - Carlos Hernandez-Garcia   ()
4:35 PM Observation of fireball-triggered RF breakdowns in a 509-MHz normal-conducting cavity and its initial simulation study - Takaaki Yamaguchi (KEK)   ()
4:55 PM Monte Carlo simulation of vacuum breakdown occurence - Andreas Kyritsakis   ()
6:00 PM
Reception (until 8:00 PM) ()
12:00 PM
Lunch (until 1:30 PM) ()
1:30 PM
Field Emission (until 3:30 PM) ()
1:30 PM High Gradient C-band Cryogenic Copper Silver Structures - Mitchell Schneider (SLAC National Accelerator Laboratory)   ()
2:00 PM Cryogenic High Gradient RF Dark Current Studies at CYBORG Beamline - Gerard Lawler   ()
2:30 PM Exploring high gradient limit with cryogenic experiments at FREIA laboratory - Marek Jacewicz (Uppsala University (SE))   ()
3:00 PM Field emission current evolution during conditioning at cryogenic temperatures - Mircea Coman (Uppsala University)   ()
3:30 PM --- Discussion Break ---
4:30 PM
Modeling and Simulations (until 6:00 PM) ()
4:30 PM Hybrid Modelling of Vacuum Arc in Current Zero - Rui Li   ()
5:00 PM Study on Transition from Field Emission to Delay Breakdown - Xinguo Zhang   ()
5:30 PM Concurrently coupled particle-in-cell, emission, and heating simulations of vacuum arc plasma initiation - Roni Koitermaa (University of Helsinki)   ()
12:00 PM
Lunch (until 1:00 PM) ()
1:00 PM
Experiments and Diagnostics (until 3:00 PM) ()
1:00 PM Field Dependence of Conditioning Part 1: Electrode Simulation and Design - Mr Lee Millar (CERN)   ()
1:30 PM Field Dependence of Conditioning-Experimental Measurements - Victoria Madeleine Bjelland   ()
2:00 PM Signs of plastic response in surfaces exposed to high electric fields. - Yinon Ashkenazy (The Hebrew University of Jerusalem (IL))   ()
2:30 PM In-situ observation of field-induced nano-protrusion growth on a carbon-coated tungsten nanotip - Andreas Kyritsakis   ()
3:00 PM --- Discussion Break ---
4:00 PM
Modeling and Simulations (until 5:30 PM) ()
4:00 PM Fireball-Triggered Vacuum Breakdown in Particle Accelerators - Dr Tetsuo Abe   ()
4:30 PM Simulation approach to investigate the influence of electromagnetic power in vacuum breakdown - Tauno Tiirats (University of Tartu)   ()
5:00 PM Nonlinear simulation of the electrothermal instability in electrode plasmas - Alexander R. Vazsonyi (US Naval Research Laboratory)   ()
6:30 PM
Banquet (until 9:00 PM) ()
12:00 PM
Lunch (until 1:30 PM) ()
6:00 PM
Organizer meeting (until 7:00 PM) ()